202423007 has 2 divisors, whose sum is σ = 202423008. Its totient is φ = 202423006.

The previous prime is 202423003. The next prime is 202423019. The reversal of 202423007 is 700324202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202423007 - 2² = 202423003 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202423007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202423003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101211503 + 101211504.

It is an arithmetic number, because the mean of its divisors is an integer number (101211504).

Almost surely, 2^202423007 is an apocalyptic number.

202423007 is a deficient number, since it is larger than the sum of its proper divisors (1).

202423007 is an equidigital number, since it uses as much as digits as its factorization.

202423007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 202423007 is about 14227.5439553002. The cubic root of 202423007 is about 587.1557126906.

Adding to 202423007 its reverse (700324202), we get a palindrome (902747209).

The spelling of 202423007 in words is "two hundred two million, four hundred twenty-three thousand, seven".